| 抑制共模干扰的矢量控制技术研究 |
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| 引用本文： | 关振宏,陈郭霞,杨显进.抑制共模干扰的矢量控制技术研究[J].机车电传动,2010(2). |
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| 作者姓名： | 关振宏 陈郭霞 杨显进 |
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| 作者单位： | 西南交通大学,电气工程学院,四川,成都,610031 |
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| 摘 要： | 通过分析三相四桥臂逆变器工作原理及工作模式,推导出三相四桥臂逆变器共模电压的计算公式,由此提出一种运用于三相四桥臂逆变器的改进型SVPWM调制技术。针对新的调制技术,运用Matlab/Simulink进行建模仿真。仿真结果表明,采用三相四桥臂逆变器改进型SVPWM控制技术在不改变直流电压利用率和输出电流谐波含量的情况下,能有效地抑制变流器共模干扰。
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| 关 键 词： | 三相四桥臂逆变器 共模干扰 矢量控制 SVPWM |
Research on Vector Control Strategy for Decreasing Common Mode Interference |
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| GUAN Zhen-hong,CHEN Guo-xia,YANG Xian-jin.Research on Vector Control Strategy for Decreasing Common Mode Interference[J].Electric Drive For Locomotive,2010(2). |
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| Authors: | GUAN Zhen-hong CHEN Guo-xia YANG Xian-jin |
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| Institution: | School of Electrical Engineering;Southwest Jiaotong University;Chengdu;Sichuan 610031;China |
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| Abstract: | This paper derived the calculating formula of the common-mode voltage of three-phase four-leg inverter by analyzing the working principle and working mode of three-phase inverter with four bridge legs.Then the improved SVPWM modulation technology was proposed.The new modulation technology had been modeled and simulated by using Matlab/Simulink.The simulation result shows that the new SVPWM modulation technology applied in three-phase inverter with four bridge legs can restrain common mode interference effec... |
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| Keywords: | three-phase inverter with four bridge legs common mode interference vector control SVPWM |
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